AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-337-0359 (013370359) |
| NCB Code | USA (01) |
| Manufacturer | College Of Mount St Joseph, Sps Technologies Inc, Hi Shear Corporation, Alcoa Global Fasteners Inc, The Boeing Company, Lisi Aerospace Canada Corp, Huck International Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| BACB30MS4R18 | college of mount st joseph | screw close tolerance | RFQ |
| BACB30MS4R18 | sps technologies inc | screw close tolerance | RFQ |
| BACB30MS4R18 | hi shear corporation | screw close tolerance | RFQ |
| BACB30MS4R18 | alcoa global fasteners inc | screw close tolerance | RFQ |
| BACB30MS4R18 | the boeing company | screw close tolerance | RFQ |
| BACB30MS4R18 | lisi aerospace canada corp | screw close tolerance | RFQ |
| BACB30MS4R18 | huck international inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.425 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.465 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ANEE | GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |
| CBBL | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT |
| AASB | FASTENER LENGTH | 1.535 INCHES MINIMUM AND 1.565 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| FEAT | SPECIAL FEATURES | RED DYE OR PAINT ON THREAD END BEFORE LUBRICATION |
| MATT | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BAC 5861,CAGE81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Relevant Components for NSN - 5305-01-337-0359, 5305013370359 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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